@charset "UTF-8";
:root{--paper:#f7f5ef;--ink:#242720;--red:#bc4536;--muted:#77796e;--line:#dfdfd3;--green:#496b5c;--serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;--sans:"Microsoft YaHei","PingFang SC",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.8 var(--sans)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--red);outline-offset:5px}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:var(--serif);font-weight:600}h1{font-size:clamp(34px,4vw,58px);line-height:1.4;letter-spacing:2px}h2{font-size:28px;line-height:1.5}h3{font-size:22px}img{display:block;width:100%}.header{max-width:1320px;margin:auto;padding:23px 48px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);min-height:88px}.brand{font-family:var(--serif);font-size:29px;font-weight:bold;letter-spacing:5px;display:inline-flex;align-items:center;white-space:nowrap}.seal{display:inline-block;font-family:var(--serif);background:var(--red);color:#fff;font-size:9px;line-height:1.1;letter-spacing:1px;width:16px;padding:3px;margin-left:7px;border-radius:2px}.brand.small{font-size:20px;letter-spacing:3px}nav{display:flex;gap:42px}nav>a{padding:8px 0;position:relative}nav>a.active{color:var(--red)}nav>a.active:after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--red)}#nav-count:empty{display:none}#nav-count{font-size:10px;color:var(--red)}.menu-toggle{display:none}.container{max-width:1224px;margin:auto;padding:0 24px}.hero{position:relative;min-height:550px;max-width:1440px;margin:auto;overflow:hidden;display:flex;align-items:center}.hero-copy{position:relative;z-index:1;width:46%;padding:42px 0 50px max(48px,calc((100vw - 1176px)/2));pointer-events:none}.hero-copy a{pointer-events:auto}.hero h1{font-size:clamp(48px,5.1vw,76px);line-height:1.18;font-weight:500;letter-spacing:4px}.hero h1 em{font-style:normal;color:var(--red)}.hero-copy>p{max-width:355px;color:#6d7064;margin:24px 0 28px;line-height:2;font-size:14px}.hero-art{position:absolute;right:0;bottom:0;width:70%;height:100%;object-fit:cover;object-position:center;mix-blend-mode:multiply;mask-image:linear-gradient(to right,transparent 0%,#000 23%)}
.hero-art-photo{mix-blend-mode:normal;object-position:65% center;width:58%;mask-image:linear-gradient(to right,transparent 0%,rgba(0,0,0,.55) 18%,#000 36%);filter:saturate(1.05) contrast(1.02)}
.hero-caption{position:absolute;right:24px;bottom:18px;z-index:2;max-width:42%;margin:0;color:#f7f5ef;font-size:12px;letter-spacing:.5px;text-shadow:0 1px 8px rgba(0,0,0,.45)}
@media(max-width:700px){.hero-art-photo{width:100%;mask-image:linear-gradient(to bottom,transparent,#000 22%);opacity:.92}.hero-caption{max-width:90%;right:20px;bottom:12px;font-size:11px}}
.button{display:inline-flex;align-items:center;justify-content:center;gap:22px;background:var(--red);color:white;border:1px solid var(--red);padding:12px 25px;border-radius:3px;transition:background .2s,transform .2s}.button:hover{background:#9d372b;transform:translateY(-2px)}.button.secondary{background:transparent;border-color:var(--line);color:var(--ink)}.button.secondary:hover{background:#eeece2}.button.saved{background:var(--green);border-color:var(--green);color:white}.text-link{color:var(--red);font-size:13px;white-space:nowrap}.section{padding:38px 0 55px;border-top:1px solid var(--line)}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:26px}.section-heading h2:after{content:"";display:block;background:var(--red);width:28px;height:2px;margin-top:12px}.route-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.route-card{border:1px solid var(--line);border-radius:5px;overflow:hidden;transition:transform .25s,border-color .2s,box-shadow .2s;background:#faf9f4}
.route-card:hover{transform:translateY(-5px)}
.art{height:190px;background-image:url('assets/routes.png');background-size:300% 100%;background-position:0 center;background-color:#e7e5da;position:relative;overflow:hidden}.art.river,.art.hall{background-position:50% center}.art.tree,.art.night{background-position:100% center}.art.steps{background-position:0 center}.route-body{padding:20px 22px}.route-body p{font-size:12px;color:var(--muted);margin:5px 0 16px}.route-meta{border-top:1px solid var(--line);padding-top:12px;display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--muted)}.route-meta b{font-weight:400;color:var(--red)}.home-bottom{display:grid;grid-template-columns:1.25fr 1fr;gap:65px;padding:42px 0 46px;border-top:1px solid var(--line)}.home-bottom p{color:var(--muted);margin:12px 0}.home-bottom .minor-map{background:#e9eee5;padding:24px 30px;display:flex;align-items:center;justify-content:space-between}.minor-map strong{font:44px var(--serif);color:var(--green)}footer{max-width:1272px;margin:0 auto;border-top:1px solid var(--line);padding:28px 24px;display:flex;align-items:center;gap:35px;color:var(--muted);font-size:11px}footer>a:last-child{margin-left:auto}.page-header{padding:49px 0 31px}.page-header p{margin-top:15px;max-width:650px;color:var(--muted);font-size:15px}.breadcrumb{display:inline-block;font-size:12px;color:var(--muted);margin-bottom:18px}.toolbar{display:flex;gap:14px;flex-wrap:wrap;margin:5px 0 30px;align-items:center}.search{min-width:220px;flex:1;max-width:340px;border:1px solid var(--line);background:transparent;border-radius:3px;padding:11px 14px;color:var(--ink)}.filters{display:flex;gap:8px;flex-wrap:wrap}.filter{border:1px solid var(--line);border-radius:3px;background:transparent;color:var(--muted);padding:8px 16px}.filter.active{border-color:var(--ink);background:var(--ink);color:var(--paper)}.bottom-space{padding-bottom:65px}.notice{font-size:12px;line-height:1.9;color:var(--muted);background:#eeece2;padding:16px 20px;border-left:2px solid #b8bcaa;margin:25px 0}.route-hero{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:center;padding:45px 0}.route-hero .art{height:355px;border-radius:5px;background-size:300% 100%}.route-description{margin:18px 0;color:var(--muted);max-width:500px}.tags{display:flex;gap:15px;font-size:12px;color:var(--muted);margin:20px 0}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.route-stops{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:26px 0}.stop{border-top:1px solid var(--line);padding:20px 0}.stop .number{display:block;font-family:var(--serif);font-size:34px;color:var(--red);margin-bottom:5px}.stop p{color:var(--muted);font-size:13px;margin:12px 0}.stop a{display:inline-block;margin-top:12px}.map-layout{display:grid;grid-template-columns:320px 1fr;gap:22px;margin-bottom:35px}.map-list{display:flex;flex-direction:column;gap:8px}.map-item{text-align:left;padding:15px 18px;border:1px solid var(--line);background:transparent;border-radius:3px;display:flex;gap:15px;align-items:center}.map-item span:first-child{font-family:var(--serif);font-size:22px;color:#999b89}.map-item strong{font-size:15px}.map-item small{display:block;color:var(--muted);font-size:11px}.map-item.active{background:#eee8dc;border-color:#ab9580}.map-item.active span:first-child{color:var(--red)}.map-canvas{position:relative;min-height:470px;background:#e9eee6;overflow:hidden;border:1px solid #dbe0d3;border-radius:4px}.map-svg{width:100%;height:100%;position:absolute;inset:0}.map-svg text{font-family:var(--serif);fill:#729386;letter-spacing:8px}.map-svg .land{fill:#f4f1e6;stroke:#d4d9c8;stroke-width:1}.map-svg .road{stroke:#dedccc;stroke-width:2;fill:none}.map-svg .route-line{fill:none;stroke:var(--red);stroke-width:2;stroke-dasharray:6 5}.pin{position:absolute;transform:translate(-50%,-50%);background:var(--paper);border:1px solid #b1b5a2;padding:5px 9px;border-radius:3px;font-size:11px;white-space:nowrap;box-shadow:0 3px 8px #29392312}.pin.active{background:var(--red);color:white;border-color:var(--red);z-index:2}.map-key{position:absolute;left:18px;bottom:15px;color:#697b68;font-size:11px;background:#f7f5efdc;padding:4px 9px}.compass{position:absolute;top:16px;right:22px;line-height:1.5;font-size:12px;color:#697b68;text-align:center}.map-detail{border-top:1px solid var(--line);padding:22px 0;display:flex;justify-content:space-between;align-items:center;gap:25px}.map-detail p{color:var(--muted);margin-top:8px}.map-detail .actions{margin:0}.detail-layout{display:grid;grid-template-columns:1.55fr 1fr;gap:55px;padding-bottom:60px}.detail-cover{height:340px;border-radius:5px;margin:30px 0}.story{font-size:16px;line-height:2.2;color:#585e51;margin:20px 0}.detail-layout aside{border:1px solid var(--line);padding:28px;align-self:start;margin-top:30px}.detail-layout aside h3{font-size:20px}.detail-layout aside p{color:var(--muted);margin:13px 0;font-size:13px}.task-box{border-top:1px solid var(--line);padding-top:22px;margin-top:25px}.red{color:var(--red)}.muted{color:var(--muted)}.small-text{font-size:12px}.source{display:inline-block;margin-top:12px;text-decoration:underline;text-underline-offset:4px;color:var(--muted);font-size:12px}.journal-banner{display:flex;align-items:center;justify-content:space-between;padding:28px 32px;background:#eaeedf;gap:25px;margin-bottom:30px;border-radius:4px}.journal-banner h2{font-size:25px}.progress{font-family:var(--serif);font-size:44px;color:var(--green);white-space:nowrap}.progress small{font:14px var(--sans)}.empty{padding:60px 20px;text-align:center;border:1px dashed #cccdbd;margin-bottom:40px}.empty h3{margin-bottom:15px}.empty p{color:var(--muted);margin-bottom:24px}.stamp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:40px}.stamp-card{border:1px solid var(--line);padding:25px;background:#fbfaf5}.stamp-mark{width:78px;height:78px;border:2px solid var(--red);outline:1px solid var(--red);outline-offset:-6px;border-radius:50%;color:var(--red);display:grid;place-items:center;font:19px var(--serif);margin-bottom:20px;transform:rotate(-9deg)}.stamp-card p{margin-top:12px;overflow-wrap:anywhere}.stamp-card time{font-size:11px;color:var(--muted)}.note{background:#eeece3;padding:10px 14px;font-size:13px}.remove{margin-top:18px;border:0;background:transparent;color:var(--muted);padding:0;font-size:12px;text-decoration:underline}.about{max-width:800px;padding-bottom:65px}.about h2{margin:30px 0 15px;font-size:23px}.about p,.about li{color:#616557;margin:10px 0}.about a{text-decoration:underline}.skip{position:fixed;top:-100px;left:16px;z-index:9;background:var(--red);color:#fff;padding:10px}.skip:focus{top:10px}#toast{position:fixed;bottom:30px;left:50%;transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:12px 22px;border-radius:4px;opacity:0;pointer-events:none;transition:.2s;z-index:10;max-width:90vw;font-size:13px;text-align:center}#toast.show{opacity:1;transform:translate(-50%,0)}dialog{border:1px solid var(--line);background:var(--paper);color:var(--ink);padding:36px;width:min(500px,calc(100% - 32px));border-radius:5px}dialog::backdrop{background:#1e2b2466;backdrop-filter:blur(3px)}.dialog-close{position:absolute;right:16px;top:12px;border:0;background:none;font-size:25px;color:var(--muted)}dialog h2{margin:6px 0 15px}dialog label{display:block;margin:22px 0 8px}dialog textarea{width:100%;border:1px solid var(--line);background:#fffdf7;padding:12px;resize:vertical}dialog .button{width:100%;margin-top:20px}.no-results{grid-column:1/-1;padding:50px;text-align:center;color:var(--muted)}main{min-height:65vh}main:focus{outline:none}.view-enter{animation:enter .3s ease-out}@keyframes enter{from{opacity:.3;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1500px){.hero-copy{padding-left:100px}}
@media(max-width:1000px){.header{padding:20px 28px}nav{gap:24px}.hero-copy{padding-left:40px;width:50%}.hero{min-height:520px}.hero-art{width:72%}.hero h1{font-size:60px}.hero-copy>p{max-width:300px}.route-grid{gap:15px}.route-body{padding:17px}.route-body h3{font-size:20px}.map-layout{grid-template-columns:250px 1fr}.route-hero{gap:30px}.detail-layout{gap:30px}.art{height:160px}}
@media(max-width:700px){body{font-size:13px}.header{padding:18px 20px;min-height:76px;flex-wrap:wrap}.brand{font-size:24px;letter-spacing:3px}.menu-toggle{display:block;padding:6px 0;border:0;background:transparent;color:var(--ink)}nav{display:none;flex-basis:100%;justify-content:space-between;gap:10px;padding-top:16px}nav.open{display:flex}nav a{font-size:12px}.hero{display:block;min-height:auto;padding-bottom:0}.hero-copy{padding:38px 24px 0;width:100%}.hero h1{font-size:51px;line-height:1.2;letter-spacing:2px}.hero h1 br:nth-of-type(1){display:none}.hero-copy>p{font-size:12px;max-width:300px;margin:20px 0 22px}.hero-art{position:relative;width:100%;height:295px;object-position:center;mask-image:linear-gradient(to bottom,transparent,#000 20%);margin-top:-25px}.hero-copy .button{position:relative;z-index:2}.container{padding:0 20px}.section{padding:29px 0 35px}.section-heading h2{font-size:23px}.section-heading .text-link{font-size:11px}.route-grid{grid-template-columns:1fr;gap:19px}.art{height:210px}.route-body{padding:18px 20px}.route-body h3{font-size:23px}.route-body p{font-size:12px}.home-bottom{grid-template-columns:1fr;gap:22px;padding:28px 0}.home-bottom h2{font-size:24px}.home-bottom .minor-map{padding:20px}footer{margin:0 20px;padding:24px 0;gap:12px;flex-wrap:wrap}footer p{display:none}footer>a:last-child{font-size:10px}.page-header{padding:30px 0 25px}.page-header p{font-size:13px}h1{font-size:34px}h2{font-size:24px}.toolbar{gap:12px}.search{max-width:100%;width:100%;flex-basis:100%}.filter{padding:7px 12px;font-size:12px}.route-hero{grid-template-columns:1fr;gap:25px;padding:25px 0}.route-hero .art{height:240px;order:2}.route-stops{grid-template-columns:1fr;gap:5px}.stop{display:block}.map-layout{display:flex;flex-direction:column-reverse;gap:16px}.map-canvas{min-height:360px}.map-list{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.map-item{padding:9px;gap:8px}.map-item strong{font-size:13px}.map-item small{font-size:9px}.map-item span:first-child{font-size:17px}.map-detail{display:block}.map-detail .actions{margin-top:18px}.pin{font-size:10px;padding:3px 5px}.detail-layout{grid-template-columns:1fr;gap:0}.detail-layout aside{margin-top:10px;padding:22px}.detail-cover{height:240px;margin:20px 0}.story{font-size:14px}.stamp-grid{grid-template-columns:1fr}.journal-banner{padding:20px;gap:12px}.journal-banner h2{font-size:20px}.journal-banner p{font-size:11px}.progress{font-size:35px}.actions .button{padding:10px 18px}.breadcrumb{margin-bottom:12px}.notice{padding:13px 15px;font-size:11px}.about h2{font-size:21px}dialog{padding:27px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

/* AI 定制漫游 */
.hero-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap}.hero-privacy{font-size:11px!important;margin:12px 0 0!important;color:#85877c!important}.ai-section-label{font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--red);font-weight:700}.ai-home-strip{margin:24px 0 46px;padding:28px 32px;background:#ece9df;border:1px solid #e0ddd1;display:grid;grid-template-columns:1.25fr 1.2fr auto;gap:32px;align-items:center}.ai-home-strip h2{font-size:22px;margin-top:7px}.ai-home-strip ol{display:grid;gap:8px;list-style:none;padding:0;margin:0}.ai-home-strip li{display:flex;gap:12px;align-items:center;color:#5e6258}.ai-home-strip li span{font:18px var(--serif);color:var(--red)}.ui-icon{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;vertical-align:-4px}.ai-shell{max-width:1160px}.ai-page-heading{padding:46px 0 30px}.ai-page-heading h1 em{font-style:normal;color:var(--red)}.ai-page-heading>p{color:var(--muted);margin-top:14px;font-size:15px}.ai-planner{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(290px,.75fr);gap:28px;align-items:start}.ai-form-panel,.ai-preview-panel{border:1px solid var(--line);background:#fbfaf5}.ai-form-panel{padding:30px 32px}.ai-preview-panel{padding:30px;position:sticky;top:18px;background:#e9eee5}.ai-form-panel fieldset{border:0;padding:0 0 24px;margin:0 0 24px;border-bottom:1px solid var(--line)}.ai-form-panel legend{font:600 19px/1.5 var(--serif);margin-bottom:14px}.ai-form-panel legend .ui-icon{color:var(--red);margin-right:8px}.ai-form-panel small,.ai-note-label small{font:11px var(--sans);color:var(--muted);margin-left:7px}.ai-choice-row{display:flex;gap:9px;flex-wrap:wrap}.ai-choice{position:relative}.ai-choice input{position:absolute;opacity:0;pointer-events:none}.ai-choice span,.ai-prompts button,.ai-quick-adjust button{display:block;border:1px solid #d4d3c8;background:#f7f5ef;padding:9px 15px;border-radius:999px;color:#66695f;transition:.2s}.ai-choice:hover span,.ai-prompts button:hover,.ai-quick-adjust button:hover{border-color:#9d9f91;color:var(--ink)}.ai-choice.selected span,.ai-quick-adjust button.active{background:var(--ink);border-color:var(--ink);color:#fff}.ai-choice input:focus-visible+span{outline:3px solid var(--red);outline-offset:3px}.ai-note-label{display:block;font:600 19px/1.5 var(--serif);margin-bottom:12px}.ai-form-panel textarea,.ai-adjust textarea{width:100%;border:1px solid #cecdc1;background:#fffef9;color:var(--ink);padding:13px 15px;border-radius:3px;resize:vertical}.ai-prompts{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 20px}.ai-prompts button{font-size:11px;padding:6px 11px}.ai-generate{width:100%;font-size:15px}.ai-generate .ui-icon,.ai-adjust .button .ui-icon{width:17px}.ai-privacy{font-size:11px;color:var(--muted);text-align:center;margin-top:13px}.ai-privacy .ui-icon{width:14px;margin-right:5px}.ai-preview-panel h2{font-size:24px;margin:7px 0 21px}.ai-process{list-style:none;padding:0;margin:0}.ai-process li{display:flex;gap:18px;padding:17px 0;border-top:1px solid #d2d9ce}.ai-process li>span{font:25px var(--serif);color:var(--green)}.ai-process strong{font-family:var(--serif);font-size:17px}.ai-process p{font-size:12px;color:#71776d;margin-top:3px}.ai-source-note{border-top:1px solid #c9d0c6;margin-top:12px;padding-top:19px}.ai-source-note p{font-size:12px;color:#666d64;margin-top:5px}.ai-loading-page{padding-top:72px;min-height:62vh}.ai-loading-head{display:flex;gap:27px;align-items:center;max-width:800px}.ai-loading-head h1{font-size:42px}.ai-loading-head p{margin-top:8px;color:var(--muted)}.ai-orbit{width:70px;height:70px;border:1px solid #d3d3c8;border-top-color:var(--red);border-radius:50%;position:relative;flex:none;animation:ai-spin 1.1s linear infinite}.ai-orbit:after{content:"";position:absolute;inset:20px;border-radius:50%;background:var(--red);opacity:.8}.ai-loading-steps{list-style:none;padding:0;margin:52px 0 32px;display:grid;grid-template-columns:repeat(3,1fr);max-width:850px}.ai-loading-steps li{border-top:2px solid var(--line);padding-top:15px;color:#9a9c91}.ai-loading-steps li.done,.ai-loading-steps li.active{border-color:var(--red);color:var(--ink)}.ai-loading-steps span{display:block;font:24px var(--serif);color:var(--red)}@keyframes ai-spin{to{transform:rotate(360deg)}}.ai-results .page-header{max-width:780px}.ai-fallback{border:1px solid #ddc8aa;background:#f2eadb;color:#6b5d49;padding:13px 17px;margin-bottom:22px}.ai-fallback strong{color:#8e4a36;margin-right:12px}.ai-results-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:14px 0;border-top:1px solid var(--line)}.ai-results-toolbar p{color:var(--muted)}.ai-route-options{display:grid;gap:18px}.ai-route-option{display:grid;grid-template-columns:70px minmax(0,1fr) minmax(205px,.55fr) minmax(190px,.5fr);gap:23px;align-items:center;padding:24px;border:1px solid var(--line);background:#fbfaf5;position:relative}.ai-route-option.recommended:before{content:"推荐";position:absolute;right:-1px;top:-1px;background:var(--red);color:#fff;font-size:10px;letter-spacing:2px;padding:4px 11px}.ai-route-number{font:36px var(--serif);color:#adad9f}.ai-route-title{display:flex;gap:12px;justify-content:space-between;align-items:flex-start}.ai-route-title p{font-size:11px;color:var(--red);letter-spacing:1px}.ai-route-title h2{font-size:25px}.ai-mode{font-size:10px;color:var(--green);border:1px solid #aebcaf;background:#edf1ea;padding:3px 7px;white-space:nowrap}.ai-reason{font-size:12px;color:var(--muted);margin:8px 0}.ai-route-facts{display:flex;gap:8px;flex-wrap:wrap}.ai-route-facts span{font-size:10px;border-right:1px solid var(--line);padding-right:8px}.ai-route-places{border-left:1px solid var(--line);padding-left:20px}.ai-route-places>strong{display:block;font-size:11px;color:var(--muted);margin-bottom:7px}.ai-route-places a{display:flex;justify-content:space-between;gap:8px;padding:5px 0;border-bottom:1px dotted #d7d6ca;font-family:var(--serif)}.ai-route-places small{font:9px var(--sans);color:var(--muted)}.ai-route-action p{font-size:10px;color:var(--muted);margin-bottom:11px}.ai-route-action .button{width:100%;padding:9px 12px;font-size:12px}.ai-bottom-notes{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin-top:25px;padding:22px 0;border-top:1px solid var(--line)}.ai-bottom-notes p{font-size:11px;color:var(--muted);margin-top:5px}.ai-clear{border:0;background:none;padding:8px 0;text-decoration:underline}.ai-detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:45px;align-items:start}.ai-timeline{list-style:none;padding:0;margin:0}.ai-timeline li{display:grid;grid-template-columns:55px 1fr;gap:20px;padding:24px 0;border-top:1px solid var(--line)}.ai-timeline li>span{font:29px var(--serif);color:var(--red)}.ai-timeline li p:first-child{font-size:10px;letter-spacing:1px;color:var(--red)}.ai-timeline li h3{font-size:23px;margin:2px 0 6px}.ai-timeline li p:not(:first-child){color:var(--muted);font-size:12px;margin-bottom:8px}.ai-adjust{position:sticky;top:18px;border:1px solid var(--line);padding:26px;background:#e9eee5}.ai-adjust h2{font-size:24px;margin:7px 0 18px}.ai-quick-adjust{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:19px}.ai-quick-adjust button{font-size:11px;padding:7px 11px}.ai-adjust label{display:block;font-size:12px;margin-bottom:7px}.ai-adjust .button{width:100%;margin-top:13px}.ai-undo{width:100%;margin-top:8px}.ai-adjust-summary{font-size:11px;color:var(--green);margin-top:8px}

@media(max-width:1100px){nav{gap:22px}.ai-route-option{grid-template-columns:55px 1fr 210px}.ai-route-action{grid-column:2/-1;display:flex;gap:18px;align-items:center}.ai-route-action p{flex:1;margin:0}.ai-route-action .button{width:auto}.ai-home-strip{grid-template-columns:1fr 1fr}.ai-home-strip>a{grid-column:1/-1}.ai-planner{grid-template-columns:1.3fr .8fr}}
@media(max-width:780px){.ai-home-strip{grid-template-columns:1fr;padding:22px;margin-top:12px}.ai-home-strip>a{grid-column:auto}.ai-page-heading{padding-top:30px}.ai-page-heading h1{font-size:37px}.ai-planner{grid-template-columns:1fr}.ai-form-panel{padding:23px 20px}.ai-preview-panel{position:static;padding:23px}.ai-loading-head{align-items:flex-start}.ai-loading-head h1{font-size:31px}.ai-orbit{width:52px;height:52px}.ai-orbit:after{inset:15px}.ai-loading-steps{grid-template-columns:1fr;margin-top:38px}.ai-loading-steps li{padding:10px 0 15px}.ai-route-option{grid-template-columns:42px 1fr;padding:19px;gap:13px}.ai-route-places,.ai-route-action{grid-column:2/-1}.ai-route-places{border-left:0;border-top:1px solid var(--line);padding:13px 0 0}.ai-route-action{display:block}.ai-route-action p{margin-bottom:10px}.ai-route-action .button{width:100%}.ai-results-toolbar{align-items:flex-start}.ai-bottom-notes{grid-template-columns:1fr}.ai-detail-grid{grid-template-columns:1fr}.ai-adjust{position:static}.ai-home-strip h2,.ai-route-title h2{font-size:21px}}
@media(max-width:700px){nav{display:none;flex-basis:100%;justify-content:flex-start;gap:6px 20px;padding-top:16px;flex-wrap:wrap}.hero-actions{gap:15px}.ai-choice span{padding:8px 12px}.ai-route-title{display:block}.ai-mode{display:inline-block;margin-top:5px}.ai-results-toolbar{display:block}.ai-results-toolbar .filter{margin-top:9px}.ai-loading-page{padding-top:42px}.ai-loading-head{display:block}.ai-orbit{margin-bottom:20px}}

/* 重庆全域景区库 */
.catalog-head{display:flex;justify-content:space-between;align-items:flex-end;gap:35px}.catalog-stat{display:grid;grid-template-columns:auto auto;gap:2px 12px;align-items:baseline;border-left:1px solid var(--line);padding:8px 0 8px 28px;min-width:185px}.catalog-stat strong{font:34px var(--serif);color:var(--red)}.catalog-stat span{font-size:11px;color:var(--muted)}.catalog-toolbar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0;display:grid;gap:14px}.region-tabs,.catalog-controls{display:flex;gap:9px;flex-wrap:wrap}.catalog-controls .search{max-width:310px}.catalog-count{margin:18px 0 12px;color:var(--muted);font-size:12px}.catalog-grid{margin-top:25px}.catalog-grid .route-card{min-width:0}.catalog-grid .art{height:145px}.place-area{margin:0!important;color:var(--red)!important;font-size:10px!important;letter-spacing:.5px}.catalog-grid .route-body>p:not(.place-area){min-height:44px}.catalog-toolbar+.catalog-count{}.catalog-head+.catalog-toolbar{}.catalog-grid+.notice{margin-top:35px}
@media(max-width:700px){.catalog-head{display:block}.catalog-stat{margin-top:22px;border-left:0;border-top:1px solid var(--line);padding:14px 0 0;max-width:210px}.region-tabs{gap:6px}.catalog-controls{display:grid;grid-template-columns:1fr}.catalog-controls .search{max-width:none}.catalog-grid .art{height:190px}.catalog-count{margin-top:14px}}

/* 景区实景图片 */
.scenic-photo{display:block;width:100%;object-fit:cover;object-position:center;background-image:none;background-color:#e7e5da;transition:transform .35s ease}.route-card:hover .scenic-photo{transform:scale(1.025)}.detail-cover.scenic-photo{width:100%;object-fit:cover}

/* 全域文化路线 */
.route-page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:36px}.route-coverage{border-left:1px solid var(--line);padding:8px 0 8px 28px;min-width:190px}.route-coverage strong{display:block;font:34px var(--serif);color:var(--red)}.route-coverage span{font-size:11px;color:var(--muted)}
.route-gallery{height:190px;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:2px;background:#dedbd0;overflow:hidden}.route-gallery.count-4 .route-photo:first-child{grid-row:auto}.route-gallery.count-2{grid-template-rows:1fr}.route-gallery.count-2 .route-photo{grid-row:auto}.route-photo{position:relative;overflow:hidden;margin:0;min-width:0}.route-photo:first-child{grid-row:1/3}.route-gallery.count-4 .route-photo:first-child,.route-gallery.count-2 .route-photo:first-child{grid-row:auto}.route-photo img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}.route-photo:after{content:"";position:absolute;inset:48% 0 0;background:linear-gradient(transparent,rgba(21,24,19,.62));pointer-events:none}.route-photo figcaption{position:absolute;z-index:1;left:10px;right:8px;bottom:7px;color:#fff;font-size:10px;line-height:1.35;text-shadow:0 1px 2px #000;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.route-card:hover .route-photo img{transform:scale(1.035)}.route-gallery-large{height:355px;border-radius:5px}.route-gallery-large .route-photo figcaption{font-size:12px;left:13px;bottom:10px}
@media(max-width:700px){.route-page-head{display:block}.route-coverage{margin-top:22px;border-left:0;border-top:1px solid var(--line);padding:14px 0 0}}
@media(max-width:1000px){.route-gallery{height:160px}.route-gallery-large{height:300px}}
@media(max-width:700px){.route-gallery{height:190px}.route-gallery-large{height:250px}.route-gallery-large .route-photo figcaption{font-size:10px}}

.ticket-line{margin:12px 0;padding:10px 12px;background:#f7f5ef;border-left:3px solid #bc4536;border-radius:6px;}

.ticket-chip{display:inline-block;font-style:normal;color:#bc4536;background:#fff4e8;border:1px solid #f0d2c4;border-radius:999px;padding:1px 8px;font-size:11px;line-height:1.6;margin-left:4px;white-space:nowrap;}
.ticket-chip.inline{margin:8px 0 0;font-size:12px;}
.route-meta em.ticket-chip{font-size:10px;vertical-align:1px;}
.region-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:18px 0 10px}
.region-card{display:block;border:1px solid var(--line);background:#fbfaf5;padding:0 0 16px;transition:border-color .2s,transform .2s;overflow:hidden}
.region-card:hover{border-color:var(--red);transform:translateY(-2px)}
.region-card-media{position:relative;height:110px;background:#e7e5da;margin-bottom:14px}
.region-card-media img{width:100%;height:100%;object-fit:cover;filter:saturate(.92)}
.region-card-media .region-name{position:absolute;left:12px;bottom:10px;margin:0;padding:3px 8px;background:rgba(247,245,239,.92);border-radius:2px}
.region-card strong{display:block;font:34px/1.1 var(--serif);color:var(--ink);padding:0 16px}
.region-card small{display:block;color:var(--muted);font-size:11px;margin-top:4px;padding:0 16px}
.region-card p{margin:10px 0 12px;font-size:12px;color:#5e6258;padding:0 16px}
.region-card .text-link{padding:0 16px}

.home-themes{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:16px}
.theme-chips{display:flex;gap:8px;flex-wrap:wrap}
.home-themes .small-text{margin:0}
@media(max-width:1000px){.region-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.region-grid{grid-template-columns:1fr}.region-card strong{font-size:28px}.home-themes{align-items:flex-start;flex-direction:column}}
.related-places{margin-top:36px;padding-top:22px;border-top:1px solid var(--line)}
.related-places h2{font-size:20px;margin-bottom:14px}
.detail-layout article .ticket-chip{margin-left:0}
#main{min-height:40vh}
#main:empty:after{content:"正在加载山城漫游…";display:block;padding:48px 24px;color:#77796e;text-align:center;font-size:14px}
.ai-loading-chips{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 0}
.ai-loading-chips span{border:1px solid #d4d3c8;background:#fbfaf5;border-radius:999px;padding:4px 10px;font-size:12px;color:#5e6258}
.result-chips{margin-top:14px}
.ai-thinking{margin:28px 0 18px;padding:18px 20px;border:1px solid var(--line);background:#fbfaf5}
.ai-thinking-line{color:var(--red);font-size:14px;margin-bottom:14px;min-height:1.5em}
.ai-thinking-line:after{content:"▍";margin-left:2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.ai-loading-hint{font-size:12px;color:var(--muted);margin:0 0 16px}
.ai-insight{margin:0 0 22px;padding:18px 20px;background:linear-gradient(135deg,#f3f6f1,#f7f5ef);border-left:3px solid #496b5c;border-radius:4px}
.ai-insight p:last-child{margin-top:8px;color:#2f3a32;font-size:14px;line-height:1.75}
.ai-tag-hot{background:#bc4536!important;color:#fff!important;border-color:#bc4536!important}
.ai-budget{margin:8px 0 0;font-size:12px;color:#496b5c}
.ai-tip{margin:10px 0 0;font-size:13px;color:#3a3f36;background:#f3f6f1;padding:8px 10px;border-radius:4px}
.ai-tip span{display:inline-block;margin-right:8px;color:#bc4536;font-size:11px;letter-spacing:1px}
.ai-dayplan{margin:12px 0 0;padding:10px 12px;border:1px dashed #d4d3c8;background:#fbfaf5;font-size:12px}
.ai-dayplan ol{margin:6px 0 0;padding-left:0;list-style:none;display:grid;gap:4px}
.ai-dayplan li span{color:#bc4536;margin-right:8px}
.ai-route-option{animation:aiCardIn .45s ease both;animation-delay:calc(var(--i,0)*80ms)}
@keyframes aiCardIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
/* —— 轻量动效 —— */
.hero-art{animation:heroDrift 14s ease-in-out infinite alternate}
.hero-art.parallax{animation:none}
@keyframes heroDrift{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(-8px,-6px,0) scale(1.02)}}
.reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
.reveal.is-in{opacity:1;transform:none}
.hero-copy h1,.hero-copy>p,.hero-actions,.hero-privacy{animation:heroCopyIn .7s ease both}
.hero-copy>p{animation-delay:.12s}.hero-actions{animation-delay:.22s}.hero-privacy{animation-delay:.32s}
@keyframes heroCopyIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.route-card .art,.route-card .route-photo img,.region-card-media img{transition:transform .45s ease}
.route-card:hover .art,.route-card:hover .route-photo img{transform:scale(1.04)}
.region-card:hover .region-card-media img{transform:scale(1.06)}
.pin{animation:pinBreath 2.8s ease-in-out infinite}
.pin.active{animation:pinActive 1.6s ease-out}
@keyframes pinBreath{0%,100%{transform:translate(-50%,-50%) scale(1)}50%{transform:translate(-50%,-50%) scale(1.06)}}
@keyframes pinActive{0%{box-shadow:0 0 0 0 rgba(188,69,54,.45)}100%{box-shadow:0 0 0 14px rgba(188,69,54,0)}}
.button{position:relative;overflow:hidden}
.button:after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.22) 50%,transparent 70%);transform:translateX(-120%);transition:transform .55s ease}
.button:hover:after{transform:translateX(120%)}
.stamp-mark{animation:stampIn .45s cubic-bezier(.2,.8,.2,1)}
@keyframes stampIn{from{transform:scale(1.35) rotate(-8deg);opacity:0}to{transform:none;opacity:1}}
.ai-results-summary{font-size:15px}
.map-detail.catalog-preview{margin-top:14px}
.route-card.is-selected{border-color:var(--red);box-shadow:0 0 0 1px var(--red)}
.route-card:hover{border-color:var(--red);box-shadow:0 8px 22px rgba(188,69,54,.12)}
.related-places .route-card.is-selected{border-color:var(--line);box-shadow:none}
.related-places .route-card:hover{border-color:var(--red);box-shadow:0 8px 22px rgba(188,69,54,.12)}
.map-item{transition:border-color .2s,background .2s,transform .2s}
.map-item:hover{border-color:var(--red);background:#fff4e8}
.filter{transition:background .2s,border-color .2s,color .2s}
.filter:hover{border-color:#9d9f91;color:var(--ink)}
.stamp-card{transition:transform .2s,border-color .2s}
.stamp-card:hover{transform:translateY(-3px);border-color:var(--red)}
.minor-map{transition:transform .2s,box-shadow .2s}
.minor-map:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(0,0,0,.06)}
.pin.district-pin{display:inline-flex;align-items:center;gap:4px;padding:5px 9px;border-radius:999px;font-size:12px;background:#f7f5ef;border:1px solid #b1b5a2}
.pin.district-pin em{font-style:normal;background:var(--red);color:#fff;border-radius:999px;padding:0 5px;font-size:10px;line-height:1.5}
.pin.district-pin.active{background:var(--red);color:#fff;border-color:var(--red)}
.pin.district-pin.active em{background:#fff;color:var(--red)}
.map-canvas.admin-map{position:relative;background:#eef1ea;min-height:0;aspect-ratio:1800/1400;overflow:hidden}
.admin-map-img{position:absolute;inset:0;width:100%;height:100%;object-fit:fill;pointer-events:none}
.admin-map-overlay{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.map-canvas.admin-map .pin{z-index:2}
.map-canvas.admin-map .map-key{z-index:3;left:12px;bottom:10px;right:auto}
.map-zoom-wrap{position:relative}
.map-zoom-ctrl{position:absolute;right:12px;top:12px;z-index:5;display:flex;flex-direction:column;gap:6px}
.map-zoom-ctrl button{width:36px;height:36px;border:1px solid var(--line);background:rgba(251,250,245,.95);border-radius:6px;font-size:16px;cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.map-zoom-ctrl button:hover{border-color:var(--red);color:var(--red)}
.map-canvas.admin-map{cursor:grab}
.map-canvas.admin-map.dragging{cursor:grabbing}
.map-zoom-layer{position:absolute;inset:0;transform-origin:center center;will-change:transform}
.map-zoom-layer .admin-map-img{position:absolute;inset:0;width:100%;height:100%;object-fit:fill}
.map-zoom-layer .pin{pointer-events:auto}
/* 针脚在缩放层内，本身会跟着放大；这里用 counter-scale 控制屏幕上的最终大小 */
.map-zoom-layer .pin{transform:translate(-50%,-50%) scale(calc(var(--pin-z,1) / var(--map-z,1)))}
.map-canvas.admin-map.map-zoom-out .pin.district-pin{background:rgba(251,250,245,.78)}
.map-canvas.admin-map.map-zoom-out .pin.district-pin{font-size:10px;padding:2px 6px}
.map-canvas.admin-map.map-zoom-out .pin.district-pin em{font-size:9px;padding:0 3px}
.ai-note-row{display:flex;gap:10px;align-items:flex-start}
.ai-note-row textarea{flex:1}
.ai-mic{flex:0 0 auto;width:48px;height:48px;border-radius:50%;border:1px solid var(--line);background:#fbfaf5;font-size:20px;cursor:pointer;transition:background .2s,transform .2s;touch-action:none;user-select:none;-webkit-user-select:none}
.ai-mic:hover{background:#eeece2}
.ai-mic.listening{background:var(--red);color:#fff;border-color:var(--red);animation:micPulse 1.2s ease infinite}
@keyframes micPulse{0%,100%{box-shadow:0 0 0 0 rgba(188,69,54,.35)}50%{box-shadow:0 0 0 10px rgba(188,69,54,0)}}
.ai-mic-status{min-height:1.4em;margin:8px 0 0;font-size:12px;color:var(--muted)}
.ai-chat{max-width:720px;margin:0 auto;padding:8px 0 20px}
.ai-chat-log{display:flex;flex-direction:column;gap:12px;max-height:420px;overflow:auto;padding:16px;background:#fbfaf5;border:1px solid var(--line);border-radius:8px}
.ai-bubble{max-width:85%;padding:10px 14px;border-radius:12px;font-size:14px;line-height:1.65}
.ai-bubble.ai{align-self:flex-start;background:#ece9df;color:#242720;border-bottom-left-radius:4px}
.ai-bubble.user{align-self:flex-end;background:var(--red);color:#fff;border-bottom-right-radius:4px}
.ai-chat-options{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
.ai-chat-bar{display:flex;gap:8px;align-items:center;margin-bottom:12px}
.ai-chat-bar input{flex:1;padding:10px 12px;border:1px solid var(--line);border-radius:4px;background:#fbfaf5}
.ai-chat-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.chat-opt.active{background:var(--red);color:#fff;border-color:var(--red)}
/* AI 门户转场 */
#ai-portal-overlay{position:fixed;inset:0;z-index:2000;background:radial-gradient(120% 80% at 50% 42%,#2f4036 0%,#1a221c 52%,#0f1410 100%);display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .55s ease;pointer-events:none;overflow:hidden}
#ai-portal-overlay.on{opacity:1}
#ai-portal-overlay.off{opacity:0}
#ai-portal-overlay:before{content:"";position:absolute;inset:-20%;background:conic-gradient(from 0deg,transparent,rgba(188,69,54,.12),transparent 40%);animation:ai-spin 6s linear infinite;pointer-events:none}
.ai-portal-screen{text-align:center;color:#f7f5ef;position:relative;z-index:1;max-width:520px;padding:0 20px}
.ai-portal-screen h2{color:#f7f5ef;margin:10px 0 0;font-size:clamp(30px,5vw,40px);letter-spacing:6px;font-weight:500}
.portal-lead{margin:14px 0 0;color:#c5d0c0;font-size:14px;letter-spacing:2px}
.portal-hint{margin:18px 0 0;color:#8f9a8c;font-size:12px}
.ai-portal-screen .st{opacity:0;transform:translateY(14px);animation:portalIn .55s ease forwards}
.ai-portal-screen .d1{animation-delay:.18s}.ai-portal-screen .d2{animation-delay:.32s}
.ai-portal-screen .d3{animation-delay:.48s}.ai-portal-screen .d4{animation-delay:.62s}
.ai-portal-screen .ai-section-label.st{color:#e07a68;letter-spacing:3px;animation-delay:.05s}
.ai-orbit-wrap{position:relative;width:120px;height:120px;margin:0 auto 18px}
.ai-orbit-ring{position:absolute;inset:0;border-radius:50%;border:1px solid rgba(188,69,54,.35);animation:ringPulse 1.8s ease-out infinite}
.ai-orbit-ring.r2{inset:14px;border-color:rgba(73,107,92,.45);animation-delay:.35s}
@keyframes ringPulse{0%{transform:scale(.72);opacity:.9}100%{transform:scale(1.25);opacity:0}}
.ai-orbit.big{position:absolute;inset:28px;width:auto;height:auto;margin:0;border-radius:50%;border:2px solid #bc4536;box-shadow:0 0 24px rgba(188,69,54,.35),inset 0 0 18px rgba(188,69,54,.15);animation:ai-spin 1.35s linear infinite;background:rgba(188,69,54,.08)}
.ai-orbit.big:after{content:"";position:absolute;inset:34%;border-radius:50%;background:#bc4536;opacity:.9}
.ai-particles{position:absolute;inset:0;pointer-events:none}
.ai-particles i{position:absolute;left:var(--x);top:var(--y);width:4px;height:4px;border-radius:50%;background:#f0e6d8;opacity:.55;animation:sparkUp 2.4s ease-in-out infinite;animation-delay:var(--d)}
.ai-particles i:nth-child(3n){background:#bc4536;width:5px;height:5px}
.ai-particles i:nth-child(4n){background:#7d9b88}
@keyframes sparkUp{0%,100%{transform:translateY(0);opacity:.25}50%{transform:translateY(-18px);opacity:.85}}
.portal-steps{display:flex;justify-content:center;align-items:center;gap:10px;margin:22px 0 0;font-size:12px;color:#b7c2b4;letter-spacing:1px}
.portal-steps em{width:18px;height:1px;background:linear-gradient(90deg,transparent,#bc4536,transparent)}
@keyframes portalIn{from{opacity:0;transform:translateY(14px) scale(.97)}to{opacity:1;transform:none}}
/* 聊天页氛围 */
.ai-portal{position:relative;overflow:hidden}
.ai-cloud-canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.72;pointer-events:none;filter:saturate(.85) contrast(.98)}
.ai-portal-bg:after{content:"";position:absolute;inset:0;pointer-events:none;background:
  linear-gradient(180deg, rgba(247,245,239,.92) 0%, rgba(247,245,239,.55) 38%, rgba(247,245,239,.18) 70%, rgba(247,245,239,.08) 100%)}
.ai-chat-heading{background:transparent;backdrop-filter:none;border-radius:0;padding:0;margin:0 0 8px}
.ai-chat{max-width:720px;margin:0 auto;padding:0 0 20px;position:relative;z-index:1}
.ai-chat-log{background:rgba(251,250,245,.97);border:1px solid var(--line);box-shadow:0 10px 40px rgba(36,39,32,.06)}
.ai-bubble.ai{background:#ece9df;color:#242720}
.ai-bubble.user{background:#bc4536;color:#fff}
.ai-chat-options .filter{background:#fbfaf5;color:#2a3028;border-color:var(--line)}
.ai-chat-bar input{background:#fffef9;border-color:var(--line);color:var(--ink)}
.ai-chat-bar{background:rgba(247,245,239,.9);padding:10px;border-radius:8px;border:1px solid var(--line)}
.ai-chat-actions{background:rgba(247,245,239,.9);padding:12px;border-radius:8px;border:1px solid var(--line);margin-top:10px}
.ai-season-badge{position:absolute;right:18px;top:18px;z-index:2;font-size:11px;letter-spacing:1px;color:var(--ink);background:rgba(247,245,239,.85);padding:4px 10px;border-radius:999px;border:1px solid var(--line)}
.ai-portal-canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.7;pointer-events:none;z-index:0}
.ai-portal-screen{z-index:1}
.ai-portal-bg{position:absolute;inset:0;pointer-events:none;background:radial-gradient(90% 70% at 50% 0%,#eef3ea 0%,transparent 55%)}
.ai-orbit-big{position:absolute;right:-80px;top:40px;width:280px;height:280px;border-radius:50%;border:1px dashed #c5cfc0;opacity:.5;animation:ai-spin 28s linear infinite}
.ai-spark{position:absolute;width:6px;height:6px;border-radius:50%;background:var(--red);opacity:.35;animation:floatY 5s ease-in-out infinite}
.ai-spark.s1{left:8%;top:22%;animation-delay:0s}.ai-spark.s2{left:18%;top:62%;animation-delay:.8s;background:#496b5c}
.ai-spark.s3{right:12%;top:30%;animation-delay:1.4s}.ai-spark.s4{right:22%;top:70%;animation-delay:2s;background:#496b5c}
.ai-spark.s5{left:50%;top:12%;animation-delay:2.6s}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
.ai-chat-shell{position:relative;z-index:1}
.ai-brand-row{display:flex;gap:16px;align-items:center;margin-bottom:8px}
.ai-chat .ai-bubble{animation:bubbleIn .4s ease both;animation-delay:calc(var(--bi,0)*70ms)}
@keyframes bubbleIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.ai-chat-options .chat-opt{animation:bubbleIn .35s ease both;animation-delay:calc(var(--oi,0)*50ms + .15s)}
.ai-bubble.typing span{display:inline-block;width:6px;height:6px;border-radius:50%;background:#bc4536;margin-right:4px;animation:dot 1s infinite}
.ai-bubble.typing span:nth-child(2){animation-delay:.15s}.ai-bubble.typing span:nth-child(3){animation-delay:.3s}
@keyframes dot{0%,80%,100%{opacity:.25;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}
/* 结果页极简版 */
.ai-results-clean{max-width:960px;padding-top:28px}
.ai-results-hero{max-width:720px;margin:0 auto 36px;text-align:center}
.ai-results-hero h1{font-size:clamp(32px,4vw,44px);margin:10px 0 14px;letter-spacing:3px}
.ai-results-lead{color:var(--muted);font-size:15px;line-height:1.7}
.ai-result-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.ai-result-card{display:flex;flex-direction:column;gap:16px;padding:28px 26px;border:1px solid var(--line);background:#fbfaf5;border-radius:8px;animation:aiCardIn .5s ease both}
.ai-result-card.primary{border-color:#e0c4ba;box-shadow:0 10px 30px rgba(188,69,54,.08);background:linear-gradient(180deg,#fffaf6,#fbfaf5)}
.ai-result-top{flex:1}
.ai-result-no{display:inline-block;font-size:11px;letter-spacing:2px;color:var(--red);border:1px solid #e0c4ba;background:#fff4e8;border-radius:999px;padding:2px 10px;margin-bottom:12px}
.ai-result-theme{font-size:12px;color:var(--muted);letter-spacing:1px;margin:0 0 6px}
.ai-result-card h2{font-size:26px;line-height:1.35;margin:0 0 12px}
.ai-result-reason{font-size:13px;color:#5e6258;line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.ai-result-facts{display:flex;flex-wrap:wrap;gap:8px}
.ai-result-facts span{font-size:12px;padding:4px 10px;border-radius:999px;background:#eef1ec;color:#4a5248}
.ai-result-steps{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.ai-result-stops li{display:flex;align-items:center;gap:10px;font-size:14px}
.ai-result-stops b{width:22px;height:22px;border-radius:50%;background:var(--ink);color:#fff;font-size:11px;display:inline-flex;align-items:center;justify-content:center;flex:none}
.ai-result-card .button{width:100%;justify-content:center}
.ai-results-foot{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:center;margin-top:28px;padding-top:20px;border-top:1px solid var(--line)}
.ai-results-foot .small-text{max-width:100%;text-align:center}
@media(max-width:780px){.ai-result-grid{grid-template-columns:1fr}}
.ai-result-card{padding:0 0 22px;overflow:hidden}
.ai-result-thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;height:120px;background:#e7e5da}
.ai-result-thumbs img{width:100%;height:100%;object-fit:cover}
.ai-result-card .ai-result-top{padding:20px 22px 0}
.ai-result-card .ai-result-facts{padding:0 22px}
.ai-result-card .ai-result-stops{padding:0 22px}
.ai-result-card .button{width:calc(100% - 44px);margin:0 22px}
.ai-result-card.primary .ai-result-thumbs{height:140px}

/* ===== AI 对话页 · 云上列车舞台 ===== */
.ai-portal{position:relative;min-height:calc(100vh - 88px);overflow:hidden}
.ai-cloud-canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.85;pointer-events:none}
.ai-portal-bg{position:absolute;inset:0;pointer-events:none;background:radial-gradient(90% 70% at 50% 0%,#f3f1ea 0%,transparent 55%)}
.ai-portal-bg:after{content:"";position:absolute;inset:0;pointer-events:none;background:
  linear-gradient(180deg, rgba(247,245,239,.92) 0%, rgba(247,245,239,.55) 26%, rgba(247,245,239,.12) 50%, rgba(247,245,239,0) 100%)}
.ai-chat-stage{position:relative;z-index:1;max-width:760px;padding-top:36px;padding-bottom:48px}
.ai-stage-head{text-align:center;margin:0 0 28px;padding:0 12px}
.ai-back{display:inline-block;font-size:12px;color:#5e6258;margin-bottom:22px;letter-spacing:.5px}
.ai-back:hover{color:var(--red)}
.ai-kicker{font-size:11px;letter-spacing:3px;color:#bc4536;margin:0 0 14px;font-weight:600}
.ai-stage-head h1{font-family:var(--serif);font-size:clamp(30px,4.6vw,44px);line-height:1.35;letter-spacing:3px;color:#1f2420;font-weight:500;text-shadow:0 1px 0 rgba(255,255,255,.65)}
.ai-stage-head h1 em{font-style:normal;color:#bc4536}
.ai-lead{margin:16px auto 0;max-width:28em;font-size:13px;line-height:1.8;color:#4a5248}
.ai-stage-panel{background:linear-gradient(180deg,rgba(247,245,239,.72),rgba(247,245,239,.55));border:1px solid rgba(223,223,211,.45);border-radius:14px;padding:20px 20px 16px;box-shadow:0 12px 40px rgba(36,39,32,.06);backdrop-filter:blur(6px)}
.ai-chat-log{display:flex;flex-direction:column;gap:12px;max-height:min(360px,42vh);overflow:auto;padding:4px 4px 12px;background:transparent;border:0}
.ai-bubble{max-width:88%;padding:12px 15px;border-radius:12px;font-size:14px;line-height:1.7;font-family:var(--sans)}
.ai-bubble.ai{align-self:flex-start;background:#ece9df;color:#242720;border-bottom-left-radius:4px}
.ai-bubble.user{align-self:flex-end;background:#bc4536;color:#fff;border-bottom-right-radius:4px}
.ai-chat-options{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 14px}
.ai-chip{border:1px solid #d4d3c8;background:#f7f5ef;color:#4a5248;padding:9px 16px;border-radius:999px;font-size:13px;transition:all .2s}
.ai-chip:hover{border-color:#bc4536;color:#9d372b;background:#fff}
.ai-chip:disabled{opacity:.55}
.ai-chat-bar{display:flex;gap:8px;align-items:center}
.ai-chat-bar input{flex:1;padding:12px 14px;border:1px solid #d4d3c8;border-radius:8px;background:#fffef9;color:#242720;font-size:14px}
.ai-chat-bar input:focus{outline:2px solid rgba(188,69,54,.25);border-color:#bc4536}
.ai-icon-btn{width:44px;height:44px;border-radius:50%;border:1px solid #d4d3c8;background:#f7f5ef;font-size:18px;cursor:pointer;touch-action:none;user-select:none;-webkit-user-select:none}
.ai-icon-btn:hover{background:#ece9df}
.ai-send{height:44px;padding:0 18px;border:0;border-radius:8px;background:#bc4536;color:#fff;font-size:14px;cursor:pointer}
.ai-send:hover{background:#9d372b}
.ai-stage-foot{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:14px}
.ai-cta{flex:1;min-width:180px;height:46px;border:0;border-radius:8px;background:#242720;color:#f7f5ef;font-size:15px;letter-spacing:1px;cursor:pointer}
.ai-cta:hover{background:#bc4536}
.ai-cta:disabled{opacity:.45;cursor:not-allowed;background:#242720}
.ai-cta:disabled:hover{background:#242720}
.ai-ghost{padding:10px 14px;border:1px solid #d4d3c8;background:transparent;color:#5e6258;border-radius:8px;font-size:12px;text-decoration:none;cursor:pointer}
.ai-ghost:hover{border-color:#bc4536;color:#9d372b}
.ai-mic-status{min-height:1.2em;margin:10px 0 0;font-size:12px;color:#77796e;text-align:center}
.ai-season-badge{position:absolute;right:20px;top:18px;z-index:2;font-size:11px;letter-spacing:1px;color:#242720;background:rgba(247,245,239,.8);padding:4px 10px;border-radius:999px;border:1px solid rgba(223,223,211,.8)}
@media(max-width:700px){
  .ai-chat-stage{padding-top:24px}
  .ai-stage-head h1{letter-spacing:1.5px}
  .ai-stage-panel{padding:14px;border-radius:10px}
  .ai-chat-log{max-height:300px}
  .ai-cta{flex-basis:100%}
}

@media(max-width:700px){
  .ai-portal{min-height:calc(100vh - 76px)}
  .ai-portal-bg{position:absolute;inset:0;height:auto}
  .ai-cloud-canvas{opacity:1}
  .ai-portal-bg:after{
    background:linear-gradient(180deg, rgba(247,245,239,.55) 0%, rgba(247,245,239,.15) 30%, rgba(247,245,239,0) 50%, rgba(247,245,239,.18) 100%)
  }
  .ai-chat-stage{padding-top:16px;padding-bottom:24px}
  .ai-stage-head{margin-bottom:14px}
  .ai-back{margin-bottom:10px;color:#2f352f;font-size:12px}
  .ai-kicker{font-size:10px;letter-spacing:2px;margin-bottom:8px;color:#9d372b}
  .ai-stage-head h1{font-size:25px;letter-spacing:.5px;line-height:1.4;color:#1f2420;text-shadow:0 1px 2px rgba(255,255,255,.55)}
  .ai-lead{font-size:12px;line-height:1.65;margin-top:8px;color:#3d463c;text-shadow:0 1px 1px rgba(255,255,255,.6)}
  .ai-stage-panel{background:linear-gradient(180deg,rgba(247,245,239,.78),rgba(247,245,239,.62));border:1px solid rgba(223,223,211,.4);padding:14px 12px 12px;border-radius:14px;backdrop-filter:blur(8px)}
  .ai-chat-log{max-height:210px;background:transparent}
  .ai-bubble{font-size:13px;padding:10px 12px;max-width:92%}
  .ai-bubble.ai{background:rgba(236,233,223,.92)}
  .ai-chip{font-size:12px;padding:8px 13px;background:rgba(247,245,239,.85)}
  .ai-chat-bar{gap:6px}
  .ai-chat-bar input{padding:11px 10px;font-size:13px;min-width:0;background:rgba(255,255,255,.88)}
  .ai-icon-btn{width:42px;height:42px;flex:0 0 42px}
  .ai-send{width:58px;min-width:58px;flex:0 0 58px;font-size:14px;white-space:nowrap}
  .ai-cta{width:100%;flex:none;font-size:14px}
  .ai-stage-foot{gap:8px}
  .ai-season-badge{right:12px;top:10px;font-size:10px}
}